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INSTALLATION INSTRUCTIONS
NS23AMA
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to
the potential for personal injury or death.
Installation and servicing of air conditioning equipment
can be hazardous due to internal refrigerant pressure
and live electrical components. Only trained and
qualified service personnel should install or service
this equipment. Installation and service performed by
unqualified persons can result in property damage,
personal injury, or death.
Sharp metal edges can cause injury. When installing
the unit, use care to avoid sharp edges.
IMPORTANT
The Clean Air Act of 1990 bans the intentional venting
of refrigerant (CFCs, HCFCs and HFCs) as of July
1, 1992. Approved methods of recovery, recycling or
reclaiming must be followed. Fines and/or incarceration
may be levied for noncompliance.
GE Appliances
A Haier Company
Appliance Park
Louisville, KY 40225
508296-G01 / 31-5000753
This manual must be left with the homeowner for future reference.
WARNING
WARNING
Variable Capacity Air Conditioner
Table of Contents
General ........................................................................2
Installation ...................................................................2
Refrigerant Piping ........................................................4
Electrical - Circuit Sizing and Wire Routing ...............14
Outdoor Unitary Control.............................................18
Unit Operation ...........................................................19
Start-Up .....................................................................19
Homeowner Information ............................................21
Professional Maintenance .........................................22
Start-Up and Performance Checklist .........................24
To prevent serious injury or death:
1. Lock-out/tag-out before performing maintenance.
2. If system power is required (e.g., smoke detector
maintenance), disable power to blower, remove
fan belt where applicable, and ensure all
controllers and thermostats are set to the "OFF"
position before performing maintenance.
3. Always keep hands, hair, clothing, jewelry, tools,
etc. away from moving parts.damage, personal
injury, or death.
*P508296G01*
Issue 2231
WARNING
(P) 508296G01
Page 1 of 24
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Summary of Contents for Haier GE NS23AMA
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Page 1: Table Of Contents
Fines and/or incarceration etc. away from moving parts.damage, personal may be levied for noncompliance. injury, or death. GE Appliances *P508296G01* A Haier Company Appliance Park (P) 508296G01 Louisville, KY 40225 508296-G01 / 31-5000753 Issue 2231 Page 1 of 24... -
Page 2: General
• Place a sound-absorbing material, such as Isomode, General under the unit if it will be installed in a location or position that will transmit sound or vibration to the This NS23AMA outdoor air conditioner with all-aluminum living area or adjacent buildings. coil is designed for use with HFC-410A refrigerant only. - Page 3 Elevate unit per local climate and code requirements to PLACEMENT provide clearance above estimated snowfall level and ensure adequate drainage of unit. Use snow stand in areas INSTALL UNIT AWAY FROM WINDOWS. where prolonged freezing temperatures are encountered. If conditions or local codes require the unit be attached to pad or mounting frame, tie down bolts should be used and fastened through knockouts provided in unit base pan.
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Page 4: Refrigerant Piping
DO NOT LOCATE THE UNIT: • Do not suspend refrigerant tubing from joists and studs with a rigid wire or strap that comes in direct • On brick, concrete blocks or unstable surfaces contact with tubing. • Near clothes dryer exhaust vents •... - Page 5 The NS23AMA is a variable-capacity cooling system utilizing variable speed compressor technology. With the IMPORTANT variable speed compressor and variable pumping capacity, additional consideration must be given to refrigerant piping The Clean Air Act of 1990 bans the intentional venting sizing and application.
- Page 6 Valve Size Connections Recommended Line Sets Tonnage * Liquid Line Suction Line Line Set Length 3/4” (19mm) 30’ (9.1m) 40’ (12.2m) 3/8” (10mm) 7/8” (22mm) 50’ (15.2m) 1-1/8” (29mm) ** Field-fabricated * Applicable to all minor revision numbers unless otherwise specified. ** Some applications may require a field-provided 1-1/8”...
- Page 7 Typical Existing Fixed Orifice Removal 1. On fully cased coils, remove the coil access and plumbing panels. Procedure Remove any shipping clamps from the liquid line and DISTRIBUTOR TUBES distributor assembly. LIQUID LINE ORIFICE HOUSING Disconnect the equalizer line from the fitting on the vapor line.
- Page 8 Flushing Line Sets If the unit will be installed in an existing system that uses WARNING an indoor unit or line sets charged with R-22 refrigerant, installer must perform the following flushing procedure. Refrigerant must be reclaimed in accordance with national and local codes.
- Page 9 Refrigerant Piping - Install Indoor Expansion Valve This outdoor unit is designed for use in systems that include an expansion valve metering device at the indoor coil. See the Product Specifications for approved expansion valve kit match-ups and application information. The expansion valve unit can be installed internal or external to the indoor coil.
- Page 10 Refrigerant Piping - Brazing Procedures CAP AND CORE REMOVAL CUT AND DEBUR Cut ends of the refrigerant lines square (free from nicks or dents) Remove service cap and core from and debur the ends. The pipe must remain round. Do not crimp end both the vapor and liquid line service of the line.
- Page 11 WRAP SERVICE VALVES To help protect service valve seals during brazing, wrap water-saturated cloths around service valve bodies and copper tube stubs. Use additional water-saturated cloths underneath the valve body to protect the base paint. FLOW NITROGEN Flow regulated nitrogen (at 1 to 2 psig) through the refrigeration gauge set into the valve stem port connection on the liquid service valve and out of the vapor valve stem port.
- Page 12 Leak Test and Evacuation LEAK TEST HIGH MANIFOLD GAUGE SET OUTDOOR UNIT TO VAPOR SERVICE VALVE NOTE - Position canister to deliver liquid refrigerant. NITROGEN HFC-410A CONNECT GAUGE SET A - Connect the high pressure hose of an HFC-410A manifold gauge set to the vapor valve service port. NOTE - Normally, the high pressure hose is connected to the liquid line port.
- Page 13 EVACUATION HIGH CONNECT GAUGE SET NOTE - Remove cores from service valves (if not already done). A - Connect low side of manifold gauge set with 1/4 SAE in-line tee to vapor line service valve B - Connect high side of manifold gauge set to OUTDOOR MANIFOLD liquid line service valve...
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Page 14: Electrical - Circuit Sizing And Wire Routing
Electrical - Circuit Sizing and Wire Routing WARNING In the U.S.A., wiring must conform with current local codes Electrical Shock Hazard! and the current National Electric Code (NEC). In Canada, Can cause injury or death. Unit must be wiring must conform with current local codes and the properly grounded in accordance with current Canadian Electrical Code (CEC). - Page 15 Qty. of NS23AMA Terminal Field Wiring Thermostat Type Indoor Unit Type Wires to Unit Operation Strip Connections Diagram Unit Conventional Any Furnace or Full Variable Capacity Operation 24VAC 2-Stage Air Handler (non- R, C, Y1, Y2 Controlled by NS23AMA Unitary Figure 11 Cooling Thermostat communicating)
- Page 16 OUTDOOR UNIT CONNECT CONDUIT TO CUTOUT AND ROUTE HIGH CONNECTS TO VOLTAGE WIRING (2) RAST 6-PIN CONNECTORS LOW VOLTAGE MAKE-UP BOX GROMMET AND CABLE TIE ROUTE CONTROL WIRING THROUGH USE WATERTIGHT GROMMET AND CONDUIT FOR HIGH SECURE WITH VOLTAGE CABLE TIE Figure 9.
- Page 17 O.D. SENSOR O.D. SENSOR OPTIONAL OPTIONAL ACC2 ACC2 ACC1 ACC1 RAST 6-PIN RAST 6-PIN CONNECTOR CONNECTOR RAST 6-PIN RAST 6-PIN CONNECTOR CONNECTOR VARIABLE CAPACITY TWO STAGE / CONVENTIONAL 24VAC VARIABLE CAPACITY TWO STAGE / CONVENTIONAL 24VAC OUTDOOR UNIT VARIABLE SPEED THERMOSTAT OUTDOOR UNIT VARIABLE SPEED...
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Page 18: Outdoor Unitary Control
Outdoor Unitary Control Jumpers and Terminals 7 SEGMENT DISPLAY CHARGE MODE JUMPER (CHRG MODE) CHARGE MODE AND OPERATION MODE JUMPER DETAIL OPERATION MODE JUMPER PUSH BUTTON RAST TERMINALS FOR THERMOSTAT WIRING CONNECTION Figure 12. 7-Segment Display and Push Button and outdoor fan motor will operate at 100% capacity. To exit the charging mode, remove the Charge Mode Jumper Information labels... -
Page 19: Unit Operation
Unit Operation Start-Up NS23AMA Unit Operation with a Conventional CAUTION 24VAC 2-Stage Thermostat If unit is equipped with a crankcase heater, it should When the NS23AMA unit is installed with a conventional 24VAC 2-stage thermostat, a Y1 first stage cooling be energized 24 hours before unit start-up to prevent demand will initiate cooling operation and first stage indoor compressor damage as a result of slugging. - Page 20 Part Recommended Torque OPERATING ANGLE-TYPE SERVICE VALVE Service valve cap 8 ft. lb. 11 NM 1 - Remove stem cap with an appropriately sized wrench. Sheet metal screws 16 in. lb. 2 NM 2 - Use a service wrench with a hex-head extension (3/16" for liquid Machine screws #10 28 in.
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Page 21: Homeowner Information
Checking Refrigerant Charge Homeowner Maintenance The NS23AMA unit is factory-charged with enough HFC- The following maintenance may be performed by the 410A refrigerant to accommodate a 15-foot length of homeowner. refrigerant piping. For refrigerant piping greater than 15 • Contact a licensed professional HVAC technician to feet, calculate the additional charge using Table 9. -
Page 22: Professional Maintenance
Pre-Service Check Check the cleanliness of outdoor fan and blade condition (cracks) and clean or replace them, if If your system fails to operate, check the following before necessary. calling for service: Inspect base pan drains for debris and clean as •... - Page 23 RT13 RT36 AMBIENT LIQUID COMPRESSOR SENSOR SENSOR S87 LOW S173 S4 HIGH COMPRESSOR PRESSURE RESISTOR PRESSURE SWITCH TOP CAP SWITCH (10K) SWITCH INVERTER GROUND NOTE- FOR USE WITH COPPER CONDUCTORS ONLY. REFER TO UNIT RATING PLATE FOR MINIMUM CIRCUIT AMPACITY AND MAXIMUM OVERCURRENT PROTECTION SIZE REFER TO COMPRESSOR IN UNIT FOR ACTUAL TERMINAL ARRANGEMENT...
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Page 24: Start-Up And Performance Checklist
Start-Up and Performance Checklist Customer: _____________________________________ Address: _______________________________________ Indoor Unit Model: _______________________________ Serial: _________________________________________ Outdoor Unit Model: ______________________________ Serial: _________________________________________ Notes: __________________________________________________________________________________________ Start-Up Checks Refrigerant Type: _____________________ Rated Load Amps: ____________________ Actual Amps: ______ Rated Volts: _______ Actual Volts: ________ Condenser Fan Full Load Amps: _________ Actual Amps: ______ Cooling Mode Suction Pressure: ____________________ Liquid Pressure: _________...